87163056 has 60 divisors (see below), whose sum is σ = 246258792. Its totient is φ = 28777728.

The previous prime is 87163033. The next prime is 87163057. The reversal of 87163056 is 65036178.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 87163056.

It is not an unprimeable number, because it can be changed into a prime (87163057) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12580 + ... + 18236.

Almost surely, 2^87163056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 87163056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (123129396).

87163056 is an abundant number, since it is smaller than the sum of its proper divisors (159095736).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

87163056 is a wasteful number, since it uses less digits than its factorization.

87163056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5778 (or 5769 counting only the distinct ones).

The product of its (nonzero) digits is 30240, while the sum is 36.

The square root of 87163056 is about 9336.1156805172. The cubic root of 87163056 is about 443.3814127415.

The spelling of 87163056 in words is "eighty-seven million, one hundred sixty-three thousand, fifty-six".